Combination microphone, speaker and control unit for a radio transceiver



FIG. 1 is a front and right side perspective view of a combination microphone, speaker and control unit for a radio transceiver showing our new design;

FIG. 2 is a rear, bottom and left side perspective view;

FIG. 3 is a top plan view; and

FIG. 4 is a right side view thereof. 

The ornamental design for a combination microphone, speaker and control unit for a radio transceiver, as shown. 